The fact that git has problems maintain a large history is ONE of the limitations that prompted them to develop GVFS. There are several comments on the first page in the discussion of the ars technica article on GVFS that talk about git's issues with long histories: https://arstechnica.com/information-technology/2017/02/microsoft-hosts-the-windows-source-in-a-monstrous-300gb-git-repository/?comments=1

I can't link directly to the comments, but if you search by user name you jump right to them. Two especially relevant ones are by smengler and zaqzlea. The one by zaqzlea is also rather interesting if Linux itself has truncated its own commit history, which is more than a bit disturbing from my perspective. We also see a few remarks by a guy calling himself scuttle22 who claims that truncating history and dropping it is "common practice" and acceptable. His original posts have all been downvoted to oblivion, presumably because others take a less lackadaisical perspective on preserving history for purposes of documentation and accountability.

The patches have apparently been submitted upstream. I do not know what state they are in the review process for acceptance. I also don't know what support for Linux is with the current patchset. If all of you are dead set on migrating to git, that is ultimately your choice, but frankly there are several things that you need to keep in mind and develop policies about to keep the git repo from becoming useless for things like tracking history and cross-referencing things between what different developers do.

On Thu, Feb 16, 2017 at 3:38 PM, Alex Ionescu <ionucu@videotron.ca> wrote:
.... which have nothing to do with history. And which have now been
publically made available/fixed.
Best regards,
Alex Ionescu


On Thu, Feb 16, 2017 at 12:14 PM, Zachary Gorden
<drakekaizer666@gmail.com> wrote:
> It was not zero problems. Their entire creation of the git virtual file
> system was to overcome git's limitations.
>
> On Thu, Feb 16, 2017 at 2:07 PM, Alex Ionescu <ionucu@videotron.ca> wrote:
>>
>> Sounds like a bug in their migration/etc tool. MS has history going
>> back to 1984 and migrated everything to Git with zero problems.
>>
>> At some point you should apply Ionescu's Razor: "Hmmm, a company of
>> 150,000 developers and the most complicated and oldest series of
>> repositories in the world, was able to move to Git, including while
>> employing people who have been there for 30 years and used to other,
>> older systems.... but 30 open source developers can't make that change
>> because X". It follows from this that X is bullshit.
>>
>> On the polluting history, again, just read commits that have [FOOBAR]
>> in them, and ignore others. Write a post-commit hook to rewrite/squash
>> them.
>> Best regards,
>> Alex Ionescu
>>
>>
>> On Thu, Feb 16, 2017 at 9:41 AM, Zachary Gorden
>> <drakekaizer666@gmail.com> wrote:
>> > The project that I worked with using git has history going back to 1988.
>> > They certainly didn't start with git, nor did they necessarily start
>> > with
>> > any revision control at the beginning, but after they migrated to it
>> > they
>> > discovered the history problem.
>> >
>> > On Thu, Feb 16, 2017 at 10:42 AM, Colin Finck <colin@reactos.org> wrote:
>> >>
>> >> Am 16.02.2017 um 14:40 schrieb Alex Ionescu:
>> >> > That being said, that type of "dirty history" only happens if you
>> >> > heavily work with branches. That's not how reactos developers work --
>> >> > we
>> >> > don't open PRs and separate branches for every checkin.
>> >> >
>> >> > These ALL sound like manufactured problems or poor/strange use of
>> >> > git.
>> >>
>> >> That merge hell is easily reproducible using my default Git setup:
>> >>
>> >> 1) Change something in your clone of master and do a "git commit".
>> >> 2) Let someone else change something in his clone of master and let him
>> >> "git commit" and "git push" it.
>> >> 3) Try to "git push" your commit, won't work because of the commit of
>> >> the other person.
>> >> 4) Do a "git pull" to fix the problem in 3) -> Bam! Git will do an
>> >> automatic merge of both masters and pollute your history.
>> >>
>> >> You see, not a single extra branch is involved and yet we get two
>> >> parallel streams of history.
>> >>
>> >> Rafal's mentioned "pull.rebase" option sounds promising, but can we
>> >> enforce that somehow?
>> >>
>> >>
>> >> - Colin
>> >>
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>> >
>> >
>> >
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